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【单选题】
关于肺牵张感受器的描述,正确的是A.
其感受器位于气管、支气管的平滑肌中
B.
对平静呼吸的频率和深度的调节起重要作用
C.
肺充血、肺水肿等情况下,此反射减弱
D.
切断双侧迷走神经的动物,可破坏此反射过程
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【单选题】How do people think about public officials?
A.
They often help other people with frustration.
B.
They often threaten other people.
C.
They are rude and do not treat people well.
D.
They are generally nice and friendly.
【简答题】Which comes first, happiness or money? Are richer people happier? And if so, how do people get much richer? A recent study could tell you the answer. The study looked into thousands of agers and f...
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【单选题】How do people usually greet each other?
A.
In Japan, people bow from waist
B.
Maori , a handshake will do.
C.
In India, people kiss and hug.
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